World Health News

WASHINGTON — The coronavirus vaccine made by Pfizer and BioNTech provides strong protection against Covid-19 within about 10 days of the first dose, according...

Preparing for my granddaughter’s first solo sleepover at my apartment bore a certain resemblance to welcoming a head of state or some other V.I.P.At...

At age 50, he listens to his own advice. Dr. DeHart volunteers with international medical teams in Vietnam, typically two trips a year. He...

In the United States, collecting immunization data has been a purely state-by-state effort. A push two decades ago to develop a federal registry imploded...

The new Covid-19 vaccines from Pfizer and Moderna seem to be remarkably good at preventing serious illness. But it’s unclear how well they will...

The federal contract signed in July called for Pfizer to deliver 100 million doses by March at a cost of $19.50 a dose. It...

People born with birth defects have a higher risk for cancer throughout life, researchers report.It has been generally known that major birth defects are...

Hospitals across California have continued to fill rapidly to dangerous levels as state and local officials try to dampen the explosive spread of the...

In editorials published in the spring on the Brookings website and in NextCity, a nonprofit news organization, Dr. Loh and her co-authors have argued...

Even when Dr. Crayton was president of the academy, in 2015 and 2016, she felt out of step with its other leaders. “I have...